CN115673776A - Automatic-grabbing bearing oil seal die-casting production line and using method thereof - Google Patents

Abstract

The invention provides an automatic-grabbing bearing oil seal die-casting production line and a using method thereof, and relates to the field of mechanical assembly; the production line comprises an inner cylinder carrying robot assembly, an unpressurized inner cylinder conveying line, a bearing feeding assembly, a bearing pressing assembly, a bearing bracket, an oil seal feeding assembly, a bearing oil seal bracket, a oil seal pressing assembly and a pressurized inner cylinder conveying assembly; the multi-position gripper is provided with a plurality of grippers, can perform multi-layer gripping and can grip the inner cylinder, the bearing and the bearing oil seal, so that the efficiency and the accuracy of gripping the bearing and the bearing oil seal are improved, the gripper adopts a rotating mode to reduce the times and the time for replacing the clamp, and the material of the gripper can be designed according to the material of the material, so that the material is prevented from being damaged; the production line provided by the invention adopts the mechanism for multi-layer grabbing, so that the automation effect of the whole production line is improved, the times and time for manually placing the bearing and the bearing oil seal are reduced, and the die-casting efficiency of the production line is fully improved.

Description

Automatic-grabbing bearing oil seal die-casting production line and using method thereof

Technical Field

The invention relates to the technical field of mechanical assembly, in particular to an automatic-grabbing bearing oil seal die-casting production line and a using method thereof.

Background

At present, most of bearing installation is taking, manual installation by the people, workers basically take big and small bearings by hands with gloves, the workers cannot drop in the taking process, the workers use a hammer to knock during manual assembly, and the small bearings are pressed into the big bearings by manpower or a press, no matter the manpower or the control of the press, the efficiency is very low due to the fact that the condition is high, the damage to the bearings in the assembly process is high, and the production cost is high. In the assembly of the bearing, hard mounting and impact are required to be avoided, and the force is required to be uniform. Many devices are currently directed to the assembly of bearings, but this production line is directed to a process from the removal of the bearings to the completion of the assembly of the bearings.

For example, the bearing processing assembly machine disclosed in the application 201620387410.0 comprises a bearing assembly main body, a driving motor, and a bearing assembly device base, wherein the bearing assembly device base is arranged below the bearing assembly device main body, the driving motor is arranged on the right side of the bearing assembly main body, a pressure rod is arranged on the upper left of the bearing assembly device main body, and a hydraulic cylinder is arranged above the pressure rod. Therefore, the position of the bearing can be better limited in the die-casting process of the bearing, and the magnitude of the die-casting force can also be better controlled. The utility model discloses a simple structure, reasonable in design, assembly error are little, and manual operation's process is few moreover, and efficiency improves.

Still like the middle-size and small-size bearing assembly fixture of flexibility that patent application 2018202035600 disclosed, it includes work platform, guide post cylinder, cylinder mounting bracket, pressure head device, the vertical symmetry spiral shell of guide post dress and work platform top surface, the cylinder mounting bracket sets up in guide post upper portion, and the cylinder is invertedly set up on the cylinder mounting bracket, and pressure head device slides and sets up on the guide post and adorns admittedly mutually with the cylinder top. And the center of the working platform is provided with an assembling hole, the pressure head has various specifications, the specification can be changed at any time, and the press mounting is convenient. The utility model discloses a flexible middle-size and small-size bearing assembly fixture, simple structure, preparation are easy, the cost of preparation is low, and supplementary frock can be simple replace and adjust the bearing to not equidimension specification, and is small, and the space of using is little.

However, in summary, the two auxiliary tools for bearing assembly are only used for improving the bearing stress uniformity and collision avoidance in the bearing die-casting process, but no corresponding measures are taken for the loss caused by the large and small bearings and the oil seal in the moving process. In fact, many mechanical devices are die-cast for bearings, but not for the operation of the production line from pick-up to die-casting. The production line is targeted to the process of grabbing large and small bearings and oil seals, multi-layer grabbing can be performed, the number of times and time of manual placement of the bearings are reduced, the gripper can reduce the number of times and time of replacement of the clamp in a rotating mode, the material of the gripper can be designed according to the material of the material, and the material damage is avoided.

Disclosure of Invention

The invention aims to provide an automatic bearing oil seal grabbing die-casting production line and a use method thereof, aiming at the defect that the existing bearing oil seal die-casting auxiliary process has no complete automatic production line, large and small bearings and oil seals can be accurately placed at fixed positions from a tray for die-casting through a gripper, the large and small bearings and the oil seals are efficiently and accurately transferred, the automation degree of automatic bearing oil seal grabbing and die-casting is greatly improved, the automatic bearing oil seal grabbing and die-casting can be automatically carried out, and the working efficiency of the production line is improved.

In order to achieve the above purpose, the invention provides the following technical scheme: an automatic grabbing bearing oil seal die-casting production line comprises an unpressurized inner cylinder conveying line, an inner cylinder conveying robot assembly, a bearing feeding assembly, a bearing bracket, a die-casting bearing assembly, an oil seal feeding assembly, a pressure oil seal assembly, a pressed inner cylinder conveying assembly, a bearing oil seal tray and a control unit, wherein the control unit is in control connection with the inner cylinder conveying robot assembly, the bearing feeding assembly, the die-casting bearing assembly, the oil seal feeding assembly and the pressure oil seal assembly;

the inner cylinder carrying robot assembly is arranged in the conveying direction of the inner cylinder conveying line which is not pressed, the bearing bracket is arranged on one side of the inner cylinder conveying line which is not pressed, and the extending direction of the bearing bracket is vertical to the conveying direction of the inner cylinder conveying line which is not pressed; the bearing feeding assembly and the die-casting bearing assembly are respectively arranged on two sides of the bearing bracket parallel to the extending direction of the bearing bracket; the non-press-fitting inner cylinder conveying line is used for conveying a plurality of non-press-fitting inner cylinders, and the bearing bracket is used for storing a plurality of large bearings and small bearings; the control unit controls the inner barrel carrying robot assembly to pick up an inner barrel which is not pressed and place the inner barrel on a first pressing platform of the die-casting bearing assembly, controls the bearing feeding assembly to sequentially pick up a small bearing and a large bearing and place the small bearing and the large bearing on the first pressing platform, and controls the die-casting bearing assembly to die-cast the small bearing, the inner barrel which is not pressed and place the large bearing on the first pressing platform in sequence to obtain an inner barrel of the die-casting bearing;

the pressure oil seal assembly is arranged on one side, away from the inner cylinder conveying line which is not pressed, of the inner cylinder conveying robot assembly, and the pressure oil seal assembly, the die-casting bearing assembly and the inner cylinder conveying line which is not pressed are arranged on the periphery of the inner cylinder conveying robot assembly in a surrounding mode; the oil seal feeding assembly is positioned between the die-casting bearing assembly and the pressure oil seal assembly, and the bearing oil seal tray is arranged on the oil seal feeding assembly; the pressed inner cylinder conveying assembly is arranged on one side, away from the oil seal feeding assembly, of the pressed oil seal assembly; the bearing oil seal tray is used for storing a plurality of bearing oil seals; the control unit controls the inner cylinder carrying robot assembly to pick up the die-casting bearing inner cylinder on the first pressing table and turn over the die-casting bearing inner cylinder and place the die-casting bearing inner cylinder on the second pressing table of the oil seal pressing assembly, controls the oil seal feeding assembly to pick up the bearing oil seal and place the bearing oil seal on the second pressing table, and controls the oil seal pressing assembly to die-cast the die-casting bearing inner cylinder and the bearing oil seal which are sequentially placed on the second pressing table to obtain a product bearing; and the control unit controls the inner cylinder carrying robot assembly to pick up the product bearing on the second pressing platform and turn over and place the product bearing on the pressed inner cylinder conveying assembly to complete the die-casting production.

Furthermore, the inner cylinder carrying robot assembly comprises a bottom base, six-axis mechanical arms and an inner cylinder gripper assembly; the six-axis mechanical arm is arranged on the bottom base, and the inner cylinder gripper assembly is arranged on the six-axis mechanical arm;

the inner cylinder gripper assembly comprises a gripper, and a connecting plate I is mounted at the bottom of the gripper; the connecting plate I is provided with a sliding block I and a sliding block II; the sliding block I and the sliding block II are arranged above the guide rail in a sliding manner; the guide rail is kept away from one side of cleft hand is provided with cylinder I and cylinder II, cylinder I and cylinder II are connected respectively through first connecting rod and connecting plate II on the connecting plate I to control the scope of snatching of cleft hand.

Further, the bearing feeding assembly comprises a first truss mechanism and a first grabbing mechanism; the first grabbing mechanism is arranged on the first truss mechanism, and the bearing bracket is positioned right below the first grabbing mechanism;

the first truss mechanism comprises a guide rail I, a guide rail II, a guide rail III, a sliding table I, a sliding table II, a motor I, a motor II and a sucker; the sliding table I moves on the guide rail I along the direction perpendicular to the conveying direction of the non-press-fitting inner cylinder conveying line; the guide rail II is arranged on the sliding table I, and the motor I and the sliding table II are arranged on the guide rail II; the guide rail III is arranged on the sliding table II, and the motor II and the sucker are arranged on the guide rail III; the first grabbing mechanism is installed below the sucker.

The first grabbing mechanism comprises a first cylinder, a second cylinder, a clamping jaw I, a clamping jaw II, a second connecting rod, a first connecting plate and a right-angle connecting plate; the first connecting disc is provided with a second connecting rod and a right-angle connecting disc, and the first cylinder and the second cylinder are respectively arranged on two right-angle sides of the right-angle connecting disc; first cylinder and second cylinder below installation clamping jaw I and clamping jaw II, clamping jaw I and clamping jaw II press from both sides the direction of getting and are 90 jiaos, are used for pressing from both sides respectively and get big bearing, the little bearing on the bearing bracket.

Further, the oil seal feeding assembly comprises a second truss mechanism and a second grabbing mechanism, the second grabbing mechanism is mounted on the second truss mechanism, and the oil seal bracket is mounted right below the second grabbing mechanism;

the second truss mechanism comprises a guide rail IV, a guide rail V, a guide rail VI, a sliding table III, a sliding table IV, a motor III and a motor IV; the sliding table III moves on the guide rail IV along the direction perpendicular to the conveying direction of the conveying line of the inner cylinder which is not pressed; the guide rail V is arranged on the sliding table III, and the motor III and the sliding table IV are arranged on the guide rail V; and the guide rail VI is arranged on the sliding table IV, and the motor IV and the second grabbing mechanism are arranged on the guide rail VI.

The second grabbing mechanism comprises a third cylinder, a clamping jaw III, a third connecting rod and a second connecting disc; the third connecting rod is installed on the guide rail VI, a third cylinder one end is installed on the second connecting disc, the other end is connected to the third connecting rod, a clamping jaw III is installed on the third cylinder, and the clamping jaw III is used for grabbing a bearing oil seal.

The invention also discloses a use method of the automatic grabbing bearing oil seal die-casting production line, which comprises the following steps controlled by a control unit:

1) A first grabbing mechanism of the bearing feeding assembly grabs the small bearing on the bearing bracket and places the small bearing on a first pressing table of the die-casting bearing assembly;

2) Under the normal conveying state of the conveying line of the inner cylinder conveying line which is not pressed, adjusting an inner cylinder gripper assembly of the inner cylinder conveying robot assembly to be suitable for the size of the inner cylinder which is not pressed, gripping the inner cylinder, and placing the inner cylinder on a first pressing platform at a position corresponding to the small bearing;

3) A first grabbing mechanism of the bearing feeding assembly grabs a large bearing on a bearing bracket, the large bearing is placed on a first pressing table inner cylinder, and the large bearing is die-cast by a bearing die-casting mechanism to obtain a die-cast bearing inner cylinder;

4) An inner cylinder gripper assembly of the inner cylinder carrying robot assembly grips the die-casting bearing inner cylinder on the first pressing table and is placed on a second pressing table of the pressure oil seal assembly;

5) A second grabbing mechanism of the oil seal feeding assembly grabs the bearing oil seal on the oil seal bracket and places the bearing oil seal on the die-casting bearing inner barrel of the second pressing platform; meanwhile, the bearing feeding assembly and the inner cylinder carrying robot assembly repeatedly execute the steps 1) to 3);

6) Die-casting by an oil seal die-casting mechanism to obtain a product bearing;

7) An inner cylinder gripper assembly of the inner cylinder carrying robot assembly grips a product bearing and turns over and places the product bearing on a pressed inner cylinder conveying assembly;

8) And (5) repeating the steps 4) to 7), and continuously producing in the die-casting production line.

According to the technical scheme, the technical scheme of the invention has the following beneficial effects:

(1) According to the automatic grabbing bearing oil seal die-casting production line disclosed by the invention, the inner cylinder can be accurately conveyed to the position which can be quickly grabbed by the manipulator through the non-press-fitting inner cylinder conveying line and the press-fitting inner cylinder conveying line, so that the efficiency of the production line is improved;

(2) The automatic grabbing bearing oil seal die-casting production line disclosed by the invention increases the stress area in the bearing die-casting process by arranging the inner cylinder to grab, place and cast in a die-casting manner, so that the deformation of a bearing in the shaft pressing process is reduced;

(3) The inner cylinder carrying robot assembly designed for the automatic grabbing bearing oil seal die-casting production line can accurately and quickly carry the inner cylinder, and the width of the gripper in the inner cylinder gripper assembly can be controlled by the air cylinder, so that the inner cylinder carrying robot assembly can adapt to inner cylinders of various specifications and improve the working efficiency of the production line;

(4) According to the automatic grabbing bearing oil seal die-casting production line, the bearing feeding assembly and the oil seal feeding assembly can move in the X direction, the Y direction and the Z direction, and flexibility is achieved; two clamping jaws are mounted on the bearing feeding assembly truss mechanism through a sucker, and the clamping jaw I and the clamping jaw II form an angle of 90 degrees and respectively clamp a large bearing and a small bearing on the bearing bracket; the clamping jaw mode in the form can carry out multilayer grabbing, and reduces the times and time for manual placement of the bearing; the tongs adopt rotatory mode can reduce anchor clamps and change number of times and time, and the tongs material can be designed according to the material of material, avoids damaging the material.

(5) According to the automatic grabbing bearing oil seal die-casting production line disclosed by the invention, the bearing bracket can be used for placing bearings with various specifications, so that the time cost is reduced, and the efficiency of the production line is greatly improved; the whole die-casting that can make bearing, oil blanket of production line and the perfect combination of snatching of big or small bearing, oil blanket have realized the automatic comprehensive automated production who snatchs bearing oil blanket die-casting production line, have saved a large amount of manpowers, and bearing assembly efficiency improves greatly.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments according to the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is an overall structure diagram of an automatic grabbing bearing oil seal die-casting production line of the invention;

FIG. 2 is a structural diagram of a conveying line of an inner cylinder which is not pressed and installed;

FIG. 3 is a block diagram of an inner cylinder transfer robot assembly according to the present invention;

FIG. 4 is a view of the inner barrel carrying gripper assembly of the present invention;

FIG. 5 is a view of the bearing loading assembly of the present invention;

FIG. 6 is a schematic view of a first truss mechanism of the bearing loading assembly of the present invention;

FIG. 7 is a schematic view of a first gripping mechanism of the bearing feeding assembly of the present invention;

FIG. 8 is a block diagram of a die cast bearing assembly of the present invention;

FIG. 9 is a schematic view of a press-fitted inner cylinder transfer assembly according to the present invention;

FIG. 10 is a schematic view of the oil seal loading assembly of the present invention;

FIG. 11 is a schematic view of a second truss mechanism of the oil seal charging assembly of the present invention;

FIG. 12 is a schematic view of a second gripping mechanism of the oil seal loading assembly of the present invention;

fig. 13 is a structural view of the die-cast oil seal assembly of the present invention.

The specific meaning of each mark in the figure is as follows:

210-an inner cylinder conveying line is not pressed; 211-not pressing the inner cylinder conveying line bracket; 212-a first drive mechanism; 213-a first conveyor belt; 214-a first idler; 215-a first drum; 220-inner barrel transfer robot assembly; 221-bottom stand; 222-six axis robot arm; 223-inner barrel gripper assembly; 2231-paw; 2232-web I; 2233-sliding block I; 2234-sliding block II; 2235-a guide rail; 2236-cylinder I; 2237-cylinder II; 230-a bearing feeding assembly; 231-a first truss mechanism; 2311-guide rail I; 2312-guide rail ii; 2133-guide III; 2134-slipway I; 2135-sliding table II; 2136-motor I; 2137-motor II; 2138-suction cup; 232-a first grasping mechanism; 2321-first cylinder; 2322-second cylinder; 2323-jaw I; 2324-holding jaw II; 2325-second connecting rod; 2326-first splice tray; 2327-right angle terminal pads; 240-a bearing bracket; 250-a die cast bearing assembly; 251-a first press table; 252-a bearing die casting mechanism; 260-oil seal feeding assembly; 261-a second truss mechanism; 262-a second grasping mechanism; 2611-guide rail iv; 2612-rail v; 2613-rail vi; 2614-ramp III; 2615-slipway IV; 2616-motor III; 2617-motor IV; 2621-a third cylinder; 2622-jaw III; 2623-a third connecting rod; 2624-second land; 270-pressing the oil seal assembly; 2701-second press station; 2702-oil seal die casting machine; 280-a pressed inner cylinder conveying assembly; 281-pressing the inner cylinder conveying line bracket; 282-a second drive mechanism; 283-a second conveyor belt; 284-second idler; 285-a second drum; 290-oil seal holder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may also change accordingly.

Because the improvement of current bearing assembly auxiliary fixtures structure mostly is that the improvement bearing atress is even, avoid colliding etc. to how to reduce big, little bearing and oil blanket and do not have corresponding measure basically at the removal loss of assembly process, also do not have to the bearing from grabbing the automatic production line to the whole process of die-casting. The invention aims to provide an automatic bearing oil seal grabbing die-casting production line and a use method thereof aiming at the problems, which can accurately control the transfer of large and small bearings and oil seals and avoid the movement loss in the assembly process; fully realize snatching the automation of bearing oil blanket die-casting, show the work efficiency who promotes the production line.

The automatic grabbing bearing oil seal die-casting production line and the use method thereof disclosed by the invention are further specifically described below with reference to the attached drawings.

The automatic grabbing bearing oil seal die-casting production line shown in fig. 1 includes an unpressurized inner cylinder conveying line 210, an inner cylinder carrying robot assembly 220, a bearing loading assembly 230, a bearing bracket 240, a die-casting bearing assembly 250, an oil seal loading assembly 260, a pressure oil seal assembly 270, a pressed inner cylinder conveying assembly 280, a bearing oil seal tray 290 and a control unit, wherein the control unit is in control connection with the inner cylinder carrying robot assembly 220, the bearing loading assembly 230, the die-casting bearing assembly 250, the oil seal loading assembly 260 and the pressure oil seal assembly 270;

as shown in the figure, the inner cylinder transfer robot assembly 220 is arranged in the conveying direction of the non-press-fitting inner cylinder conveying line 210, and the bearing bracket 240 is arranged on one side of the non-press-fitting inner cylinder conveying line 210 and extends in a direction perpendicular to the conveying direction of the non-press-fitting inner cylinder conveying line 210; the bearing feeding assembly 230 and the die-cast bearing assembly 250 are respectively arranged at two sides of the bearing bracket 240 parallel to the extending direction thereof; the inner cylinder conveying line 210 is used for conveying a plurality of inner cylinders which are not pressed, and the bearing bracket 240 is used for storing a plurality of large bearings and small bearings; the pressing oil seal assembly 270 is arranged on one side, away from the inner cylinder conveying line 210, of the inner cylinder conveying robot assembly 220, and the pressing oil seal assembly 270, the die-casting bearing assembly 250 and the inner cylinder conveying line 210 which is not pressed are annularly arranged on the periphery of the inner cylinder conveying robot assembly 220; the oil seal feeding assembly 260 is positioned between the die-casting bearing assembly 250 and the pressure oil seal assembly 270, and the bearing oil seal tray 290 is arranged on the oil seal feeding assembly 260; the pressed inner barrel conveying assembly 280 is arranged on one side of the oil seal pressing assembly 270 away from the oil seal feeding assembly 260; the bearing seal tray 290 is used to store a number of bearing seals.

When the die-casting bearing device is used specifically, the control unit firstly controls the inner cylinder carrying robot assembly 220 to pick up an inner cylinder which is not subjected to press fitting and place the inner cylinder on the first pressing table 251 of the die-casting bearing assembly 250, controls the bearing feeding assembly 230 to sequentially pick up a small bearing and a large bearing and place the small bearing and the large bearing on the first pressing table 251, and controls the die-casting bearing assembly 250 to die-cast the small bearing, the inner cylinder which is not subjected to press fitting and the large bearing which are sequentially placed on the first pressing table 251 to obtain an inner cylinder of the die-casting bearing; then, the control unit controls the inner barrel transfer robot assembly 220 to pick up the die-casting bearing inner barrel on the first pressing platform 251 and turn over the die-casting bearing inner barrel and place the die-casting bearing inner barrel on the second pressing platform 2701 of the oil seal pressing assembly 270, controls the oil seal feeding assembly 260 to pick up the bearing oil seal and place the bearing oil seal on the second pressing platform 2701, and controls the oil seal pressing assembly 270 to die-cast the die-casting bearing inner barrel and the bearing oil seal sequentially placed on the second pressing platform 2701 to obtain a product bearing; the control unit controls the inner cylinder transfer robot assembly 220 to pick up the product bearing on the second pressing table 2701 and turn over and place the product bearing on the pressed inner cylinder conveying assembly 280, so that the die-casting production is completed.

As shown in fig. 2, as an alternative implementation structure of the non-press-fitting inner cylinder conveyor line 210, the non-press-fitting inner cylinder conveyor line bracket 211, a first driving mechanism 212, a first conveyor belt 213, a first carrier roller 214 and a first roller 215 are cooperatively assembled on the non-press-fitting inner cylinder conveyor line bracket 211, and the first driving mechanism 212 is in control connection with the control unit; the first driving mechanism 212 is installed inside one support leg of the non-press-fitting inner cylinder conveying line support 211, the first driving mechanism 212 drives the first roller 215 to rotate, the first roller 215 drives the first conveying belt 213 sleeved on the first roller 215 to transmit, and the first carrier roller 214 is installed below the first conveying belt 213. In operation, the inner cylinders not press fitted are sequentially transferred by the first transfer belt 213.

As shown in fig. 3 and 4, the inner cylinder transfer robot assembly 220 selects a movable structure having six degrees of freedom, and for example, includes a base frame 221, a six-axis robot arm 222 mounted on the base frame 221, and an inner cylinder gripper assembly 223 mounted on the six-axis robot arm 222. Specifically, the inner cylinder gripper assembly 223 comprises a claw 2231, and a connecting plate I2232 is arranged at the bottom of the claw 2231; a sliding block I2233 and a sliding block II 2234 are arranged on the connecting plate I2232; the sliding block I2233 and the sliding block II 2234 are arranged above the guide rail 2235 in a sliding way; an air cylinder I2236 and an air cylinder II 2237 are arranged on one side of the guide rail 2235, which is far away from the claw 2231, and the air cylinder I2236 and the air cylinder II 2237 are respectively connected to the connecting plate I2232 through a first connecting rod 2238 and a connecting plate II 2239, so as to control the grabbing range of the claw 2231. That is, before the inner cylinder carrying robot assembly 220 is used, the opening size of the claw 2231 in the inner cylinder gripper assembly 223 is adjusted, and the clamping jaws of the robot are contracted to the size suitable for the inner cylinders through the adjustment of the air cylinder I2236, the air cylinder II 2237, the sliding block I2233 and the sliding block II 2234, so that the inner cylinders with different sizes can be gripped.

As shown in fig. 5, the bearing feeding assembly 230 of the automatic grabbing bearing oil seal die-casting production line includes a first truss mechanism 231 and a first grabbing mechanism 232; the first grabbing mechanism 232 is installed on the first truss mechanism 231, and the bearing bracket 240 is located right below the first grabbing mechanism 232; alternatively, the bearing bracket 240 may be directly fixed to the first truss mechanism 231, facilitating the operation of the first grabbing mechanism 232.

As shown in fig. 6 and 7, the first truss mechanism 231 includes a guide rail i 2311, a guide rail ii 2312, a guide rail iii 2133, a slide table i 2314, a slide table ii 2315, a motor i 2316, a motor ii 2317 and a suction cup 2318; the sliding table I2134 moves on the guide rail I2311 along the conveying direction perpendicular to the conveying direction of the non-press-fitting inner cylinder conveying line 210; the guide rail II 2312 is arranged on the sliding table I2134, and the motor I2136 and the sliding table II 2135 are arranged on the guide rail II 2312; a guide rail III 2133 is arranged on the sliding table II 2135, and a motor II 2137 and a sucking disc 2138 are arranged on the guide rail III 2133; the first gripper mechanism 232 is mounted below the suction cup 2138. The first grabbing mechanism 232 comprises a first air cylinder 2321, a second air cylinder 2322, a clamping jaw I2323, a clamping jaw II 2324, a second connecting rod 2325, a first connecting plate 2326 and a right-angle connecting plate 2327; the first connecting plate 2326 is provided with a second connecting rod 2325 and a right-angle connecting plate 2327, and the first cylinder 2321 and the second cylinder 2322 are respectively arranged on two right-angle sides of the right-angle connecting plate 2327; the clamping jaw 2323 and the clamping jaw II 2324 are mounted below the first air cylinder 2321 and the second air cylinder 2322, the clamping directions of the clamping jaw I2323 and the clamping jaw II 2324 form an angle of 90 degrees, and the angles are respectively used for clamping a large bearing and a small bearing on the bearing bracket 240. Optionally, in order to realize multilayer arrangement and use of the bearings, the first truss mechanism 231 may also adopt a six-degree-of-freedom structure.

As shown in fig. 9, the press-fitted inner cylinder transport assembly 280 includes a press-fitted inner cylinder transport line support 281, a second driving mechanism 282 fitted on the press-fitted inner cylinder transport line support 281, a second conveyor belt 283, a second carrier roller 284 and a second roller 285, wherein the second driving mechanism 282 is in control connection with the control unit; during assembly, the second driving mechanism 282 is mounted on the inner side of one supporting leg of the press-fitted inner cylinder conveying line support 281, the second driving mechanism 282 drives the second roller 285 to rotate, the second roller 285 drives the second conveying belt 283 sleeved thereon to transmit, and the second carrier roller 284 is mounted below the second conveying belt 283. The production line assembled product bearings are conveyed and collected by the second conveyor 283.

Referring to fig. 10, the oil seal loading assembly 260 includes a second truss mechanism 261, a second grabbing mechanism 262 installed on the second truss mechanism 261, and an oil seal bracket 290 installed right below the second grabbing mechanism 262. Specifically, as shown in fig. 11, the second truss mechanism 261 includes a guide rail iv 2611, a guide rail v 2612, a guide rail vi 2613, a sliding table iii 2614, a sliding table iv 2615, a motor iii 2616, and a motor iv 2617; the sliding table III 2614 moves on the guide rail IV 2611 along the conveying direction vertical to the conveying direction of the non-press-fitting inner cylinder conveying line 210; the guide rail V2612 is arranged on the sliding table III 2614, and the motor III 2616 and the sliding table IV 2615 are arranged on the guide rail V2612; the guide rail VI 2613 is arranged on the sliding table IV 2615, and the motor IV 2617 and the second grabbing mechanism 262 are arranged on the guide rail VI 2613. As shown in fig. 12, the second grasping mechanism 262 includes a third cylinder 2621, a jaw iii 2622, a third connecting rod 2623, and a second connecting disk 2624; during the connection, third connecting rod 2623 is installed on guide rail VI 2613, and third cylinder 2621 one end is installed on second connection pad 2624, the other end is connected in third connecting rod 2623, and clamping jaw III 2622 is installed on third cylinder 2621, and clamping jaw III 2622 is used for snatching the bearing oil blanket. The bearing oil seals on the oil seal bracket 290 can be designed into multiple layers, and the second grabbing mechanism 262 can respectively obtain the bearing oil seals on different layer positions by moving on the second truss mechanism 261.

As shown in fig. 8 and 13, the die-cast bearing assembly 250 further includes a bearing die-casting mechanism 252 besides the first pressing platform 251, and the bearing die-casting mechanism 252 is in control connection with the control unit, so that the control unit controls the bearing die-casting mechanism 252 to perform die-casting; the oil seal pressing assembly 270 further includes an oil seal die casting mechanism 2702 besides the second pressing platform 2701, and the oil seal die casting mechanism 2702 is in control connection with the control unit, so that the control unit controls the oil seal die casting mechanism 2702 to perform die casting.

The automatic snatch bearing oil blanket die-casting production line that above-mentioned embodiment disclosed, the working process as follows: the first grabbing mechanism 232 in the bearing loading assembly 230 grabs the small bearing on the bearing bracket 240 through the claw 2321 and places the small bearing on the first pressing table 251 of the die-cast bearing assembly 250; subsequently, the inner tube not press-fitted is gripped from the non-press-fitted inner tube transfer line 210 by the inner tube gripper assembly 223 of the inner tube transfer robot assembly 220; next, the clamping jaw ii 2324 in the bearing feeding assembly 230 grabs the large bearing on the bearing bracket 240 and places the large bearing on the first pressing table 251 of the die-cast bearing assembly 250; when the large bearing, the small bearing and the inner cylinder reach the positions, the bearing die-casting mechanism 252 of the die-casting bearing assembly 250 performs die-casting; at this time, the pressure casting of the bearing stage by adopting the inner cylinder is completed.

Then, the inner cylinder gripper assembly 223 of the inner cylinder transfer robot assembly 220 grips the die-cast inner cylinder of the die-cast bearing and places the die-cast inner cylinder on the second pressing table 2701 of the pressure oil seal assembly 270; the grabbing mechanism 262 on the oil seal feeding assembly 260 grabs the bearing oil seal placed on the bearing oil seal tray 290, and the size of the clamping jaw III 2622 on the oil seal feeding assembly 260 is adjusted by the third air cylinder 2621 to grab the bearing oil seal and place the bearing oil seal on the second pressing table 2701; thirdly, the second pressing table 2701 of the oil seal pressing assembly 270 performs oil seal die casting on the die-cast large and small bearings; finally, the inner cylinder gripper assembly 223 of the inner cylinder transfer robot assembly 220 turns over the die-cast bearings of the large and small bearings and the oil seal, i.e., the product bearings, and places the product bearings on the press-fitted inner cylinder conveying assembly 280. In order to facilitate the continuous work of the production line, in the process of die casting of the product bearing, the bearing die casting is continuously carried out on the inner cylinder conveying line 210, the inner cylinder carrying robot assembly 220, the bearing feeding assembly 230, the bearing bracket 240 and the die casting bearing assembly 250 which are not pressed on the front side, so that the production line continuously runs, virtuous circle is formed, the assembly time is saved, and the efficiency of the production line is improved.

The invention further provides a use method of the automatic grabbing bearing oil seal die-casting production line, which comprises the following steps of:

1) The first grabbing mechanism 232 of the bearing feeding assembly 230 grabs the small bearing on the bearing bracket 240 and places the small bearing on the first pressing table 251 of the die-cast bearing assembly 250;

2) Under the normal conveying state of the conveying line of the inner cylinder conveying line which is not pressed, the inner cylinder gripper assembly 223 of the inner cylinder conveying robot assembly 220 is adjusted to be suitable for the size of the inner cylinder which is not pressed, the inner cylinder is gripped, and the inner cylinder gripper assembly is placed on the first pressing table 251 and corresponds to the small bearing;

3) A first grabbing mechanism 232 of the bearing feeding assembly 230 grabs the large bearing on the bearing bracket 240, places the large bearing on the inner cylinder of the first pressing table 251, and performs die-casting by a bearing die-casting mechanism 252 to obtain a die-cast bearing inner cylinder;

4) The inner cylinder gripper assembly 223 of the inner cylinder carrying robot assembly 220 grips the die-casting bearing inner cylinder on the first pressing table 251 and is placed on the second pressing table 2701 of the pressure oil seal assembly 270;

5) The second grabbing mechanism 262 of the oil seal feeding assembly 260 grabs the bearing oil seal on the oil seal bracket 290 and puts the bearing oil seal on the inner cylinder of the die-casting bearing of the second pressing table 2701; meanwhile, the bearing loading assembly 230 and the inner cylinder transfer robot assembly 220 repeatedly perform steps 1) to 3);

6) The oil seal die-casting mechanism 2702 carries out die-casting to obtain a product bearing;

7) The inner cylinder gripper assembly 223 of the inner cylinder transfer robot assembly 220 grips the product bearing and flips over onto the press-fitted inner cylinder transfer assembly 280;

8) And repeating the steps 4) to 7), and continuously producing in the die-casting production line.

When the automatic grabbing bearing oil seal die-casting production line is used, not only can multiple layers of automatic and accurate grabbing be carried out, the automation effect of the production line is improved, but also the times and time for manually placing the bearing and the bearing oil seal are effectively reduced, the moving loss is reduced, and the die-casting efficiency of the production line is fully improved.

Although the invention has been described with reference to preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (10)

1. The automatic-grabbing bearing oil seal die-casting production line is characterized by comprising an inner cylinder non-press-fitting conveying line (210), an inner cylinder carrying robot assembly (220), a bearing feeding assembly (230), a bearing bracket (240), a die-casting bearing assembly (250), an oil seal feeding assembly (260), an oil seal pressing assembly (270), a press-fitted inner cylinder conveying assembly (280), a bearing oil seal tray (290) and a control unit, wherein the control unit is in control connection with the inner cylinder carrying robot assembly (220), the bearing feeding assembly (230), the die-casting bearing assembly (250), the oil seal feeding assembly (260) and the oil seal pressing assembly (270);

the inner cylinder transfer robot assembly (220) is arranged in the conveying direction of the non-press-fitting inner cylinder conveying line (210), the bearing bracket (240) is arranged on one side of the non-press-fitting inner cylinder conveying line (210), and the extending direction of the bearing bracket is perpendicular to the conveying direction of the non-press-fitting inner cylinder conveying line (210); the bearing feeding assembly (230) and the die-cast bearing assembly (250) are respectively arranged on two sides of the bearing bracket (240) parallel to the extending direction of the bearing bracket; the non-press-fitting inner cylinder conveying line (210) is used for conveying a plurality of non-press-fitting inner cylinders, and the bearing bracket (240) is used for storing a plurality of large bearings and small bearings; the control unit controls the inner barrel carrying robot assembly (220) to pick up an inner barrel which is not pressed and place the inner barrel on a first pressing table (251) of the die-casting bearing assembly (250), controls the bearing feeding assembly (230) to sequentially pick up a small bearing and a large bearing and place the small bearing and the large bearing on the first pressing table (251), and controls the die-casting bearing assembly (250) to die-cast the small bearing, the inner barrel which is not pressed and place the large bearing on the first pressing table (251) to obtain an inner barrel of the die-casting bearing;

the pressure oil seal assembly (270) is arranged on one side, away from the inner cylinder delivery line (210) which is not pressed, of the inner cylinder delivery robot assembly (220), and the pressure oil seal assembly (270), the die-casting bearing assembly (250) and the inner cylinder delivery line (210) which is not pressed are annularly arranged on the periphery of the inner cylinder delivery robot assembly (220); the oil seal loading assembly (260) is positioned between the die-cast bearing assembly (250) and the pressure oil seal assembly (270), and the bearing oil seal tray (290) is arranged on the oil seal loading assembly (260); the pressed inner barrel conveying assembly (280) is arranged on one side, away from the oil seal feeding assembly (260), of the oil seal pressing assembly (270); the bearing oil seal tray (290) is used for storing a plurality of bearing oil seals; the control unit controls the inner cylinder carrying robot assembly (220) to pick up the die-casting bearing inner cylinder on the first pressing table (251), overturns and places the die-casting bearing inner cylinder on a second pressing table (2701) of the oil seal pressing assembly (270), controls the oil seal feeding assembly (260) to pick up the bearing oil seal and place the bearing oil seal on the second pressing table (2701), and controls the oil seal pressing assembly (270) to die-cast the die-casting bearing inner cylinder and the bearing oil seal which are sequentially placed on the second pressing table (2701) to obtain a product bearing; and the control unit controls the inner cylinder carrying robot assembly (220) to pick up the product bearing on the second pressing platform (2701) and turn over and place the product bearing on the pressed inner cylinder conveying assembly (280) to finish the die-casting production.

2. The automatic grabbing bearing oil seal die-casting production line as claimed in claim 1, wherein the non-press-fitting inner cylinder conveying line (210) comprises a non-press-fitting inner cylinder conveying line support (211), a first driving mechanism (212) which is matched and assembled on the non-press-fitting inner cylinder conveying line support (211), a first conveying belt (213), a first carrier roller (214) and a first roller (215), and the first driving mechanism (212) is in control connection with the control unit; the first driving mechanism (212) is installed on the inner side of a supporting leg of the non-press-fitting inner cylinder conveying line support (211), the first driving mechanism (212) drives a first roller (215) to rotate, the first roller (215) drives a first conveying belt (213) sleeved on the first roller to transmit, and a first carrier roller (214) is installed below the first conveying belt (213).

3. The automatic grabbing bearing oil seal die-casting production line according to claim 1, wherein the inner cylinder carrying robot assembly (220) comprises a bottom base (221), a six-axis mechanical arm (222) and an inner cylinder gripper assembly (223); the six-axis mechanical arm (222) is arranged on the bottom base (221), and the inner cylinder gripper assembly (223) is arranged on the six-axis mechanical arm (222);

the inner cylinder hand grip component (223) comprises a claw (2231), and a connecting plate I (2232) is installed at the bottom of the claw (2231); a sliding block I (2233) and a sliding block II (2234) are arranged on the connecting plate I (2232); the sliding block I (2233) and the sliding block II (2234) are arranged above the guide rail (2235) in a sliding way; one side, far away from the claw (2231), of the guide rail (2235) is provided with an air cylinder I (2236) and an air cylinder II (2237), and the air cylinder I (2236) and the air cylinder II (2237) are connected to the connecting plate I (2232) through a first connecting rod (2238) and a connecting plate II (2239) respectively, so that the grabbing range of the claw (2231) can be controlled.

4. The automatic gripping bearing oil seal die-casting line of claim 1, wherein the bearing feeding assembly (230) comprises a first truss mechanism (231) and a first gripping mechanism (232); the first grabbing mechanism (232) is installed on the first truss mechanism (231), and the bearing bracket (240) is positioned right below the first grabbing mechanism (232);

the first truss mechanism (231) comprises a guide rail I (2311), a guide rail II (2312), a guide rail III (2133), a sliding table I (2314), a sliding table II (2315), a motor I (2316), a motor II (2317) and a sucking disc (2318); the sliding table I (2134) moves on the guide rail I (2311) along the conveying direction perpendicular to the conveying direction of the non-press-fitting inner cylinder conveying line (210); the guide rail II (2312) is arranged on the sliding table I (2134), and the motor I (2136) and the sliding table II (2135) are arranged on the guide rail II (2312); the guide rail III (2133) is arranged on the sliding table II (2135), and the motor II (2137) and the sucking disc (2138) are arranged on the guide rail III (2133); the first grabbing mechanism (232) is installed below the suction cup (2138).

5. The automatic-grabbing bearing oil seal die-casting production line according to claim 4, wherein the first grabbing mechanism (232) comprises a first air cylinder (2321), a second air cylinder (2322), a clamping jaw I (2323), a clamping jaw II (2324), a second connecting rod (2325), a first connecting plate (2326) and a right-angle connecting plate (2327); a second connecting rod (2325) and a right-angle connecting disc (2327) are mounted on the first connecting disc (2326), and the first cylinder (2321) and the second cylinder (2322) are respectively arranged on two right-angle edges of the right-angle connecting disc (2327); first cylinder (2321) and second cylinder (2322) below installation clamping jaw I (2323) and clamping jaw II (2324), clamping jaw I (2323) and clamping jaw II (2324) press from both sides the direction and are 90 jiaos, are used for pressing from both sides respectively and get big bearing, the little bearing on bearing bracket (240).

6. The die casting line for automatically grabbing a bearing oil seal according to claim 1, wherein the press-fitted inner cylinder conveying assembly (280) comprises a press-fitted inner cylinder conveying line support (281), a second driving mechanism (282) fitted on the press-fitted inner cylinder conveying line support (281), a second conveying belt (283), a second carrier roller (284) and a second roller (285), and the second driving mechanism (282) is in control connection with the control unit; the second driving mechanism (282) is installed on the inner side of a supporting leg of the pressed inner cylinder conveying line support (281), the second driving mechanism (282) drives a second roller (285) to rotate, the second roller (285) drives a second conveying belt (283) sleeved on the second roller to transmit, and the second carrier roller (284) is installed below the second conveying belt (283).

7. The automatic gripping bearing oil seal die-casting production line according to claim 1, wherein the oil seal feeding assembly (260) comprises a second truss mechanism (261) and a second gripping mechanism (262), the second gripping mechanism (262) is mounted on the second truss mechanism (261), and the oil seal bracket (290) is mounted right below the second gripping mechanism (262);

the second truss mechanism (261) comprises a guide rail IV (2611), a guide rail V (2612), a guide rail VI (2613), a sliding table III (2614), a sliding table IV (2615), a motor III (2616) and a motor IV (2617); the sliding table III (2614) moves on the guide rail IV (2611) along the conveying direction perpendicular to the conveying direction of the non-press-fitting inner cylinder conveying line (210); the guide rail V (2612) is installed on the sliding table III (2614), and the motor III (2616) and the sliding table IV (2615) are installed on the guide rail V (2612); the guide rail VI (2613) is installed on the slip table IV (2615), and the motor IV (2617) and the second grabbing mechanism (262) are installed on the guide rail VI (2613).

8. The automatic gripping bearing oil seal die-casting line according to claim 7, wherein the second gripping mechanism (262) comprises a third cylinder (2621), a jaw III (2622), a third connecting rod (2623) and a second connecting disc (2624); third connecting rod (2623) are installed on the guide rail VI (2613), third cylinder (2621) one end is installed on second connection pad (2624), the other end connect in third connecting rod (2623), install clamping jaw III (2622) on the third cylinder (2621), clamping jaw III (2622) are used for snatching the bearing oil blanket.

9. The automated grabbing bearing oil seal die casting line according to claim 1, wherein the die cast bearing assembly (250) further comprises a bearing die casting mechanism (252), the bearing die casting mechanism (252) is in control connection with the control unit; the oil seal pressing assembly (270) further comprises an oil seal die-casting mechanism (2702), and the oil seal die-casting mechanism (2702) is in control connection with the control unit.

10. The use method of the automatic grabbing bearing oil seal die-casting production line as claimed in any one of claims 1 to 9, is characterized by comprising the following steps controlled by the control unit:

1) A first grabbing mechanism (232) of the bearing feeding assembly (230) grabs the small bearing on the bearing bracket (240) and places the small bearing on a first pressing table (251) of the die-casting bearing assembly (250);

2) Under the normal conveying state of a conveying line of an inner cylinder conveying line which is not pressed, an inner cylinder gripper assembly (223) of an inner cylinder conveying robot assembly (220) is adjusted to be suitable for the size of the inner cylinder which is not pressed, the inner cylinder is grabbed, and the inner cylinder gripper assembly is placed on a first pressing platform (251) and corresponds to the small bearing;

3) A first grabbing mechanism (232) of the bearing feeding assembly (230) grabs a large bearing on a bearing bracket (240), places the large bearing on an inner cylinder of a first pressing table (251), and performs die casting by a bearing die casting mechanism (252) to obtain a die-cast bearing inner cylinder;

4) An inner cylinder gripper assembly (223) of the inner cylinder carrying robot assembly (220) grips the inner cylinder of the die-casting bearing on the first pressing table (251) and is placed on a second pressing table (2701) of the oil seal pressing assembly (270);

5) A second grabbing mechanism (262) of the oil seal feeding assembly (260) grabs the bearing oil seal on the oil seal bracket (290) and puts the bearing oil seal on the inner cylinder of the die-casting bearing of the second pressing table (2701); meanwhile, the bearing feeding assembly (230) and the inner cylinder carrying robot assembly (220) repeatedly execute the steps 1) to 3);

6) Die-casting the oil seal die-casting mechanism (2702) to obtain a product bearing;

7) An inner cylinder gripper assembly (223) of the inner cylinder carrying robot assembly (220) grips a product bearing and turns over to place the product bearing on a pressed inner cylinder conveying assembly (280);

8) And repeating the steps 4) to 7), and continuously producing in the die-casting production line.

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